How many movies have Mao Akiyama and Saya Eguchi acted in together?

They have worked on 54 movies together! Their first movie together was Hello! Project 2017 Summer ~HELLO! MEETING~ (2017) while their highest rated movie together was Hello! Project DVD Magazine Vol.61 (2019). They have not worked together since Hello! Project 2023 Winter ~TWO OF US~ (2023).